| Formation from stream erosion | 29 |
| Formation from glaciation | 25 |
| Formation for migrating geese | 29 |
| Formation flyers | 16 |
| Formation flyer | 15 |
| Formation fliers | 16 |
| Formation flier | 15 |
| Formation between two edges of a polyhedron | 43 |
| Formation at a river's mouth | 32 |
| Formation | 9 |
| Format that used C prompts | 26 |
| Format that looks like shouting | 31 |
| Format that debuted with "Tiger Child" | 48 |
| Format that can be burned once | 30 |
| Format that big movie fans love | 31 |
| Format that beat Beta | 21 |
| Format that "Fantasia 2000" was shown in | 50 |
| Format introduced by Microsoft in 1992 | 38 |
| Format in which a bad "Beat It" might be heard | 56 |
| Format for tall tales? | 22 |
| Format for some DVDs | 20 |
| Format for some cheesy song arrangements | 40 |
| Format for Rob Thomas and Mariah Carey, probably | 48 |
| Format for domed theaters | 25 |
| Format for big features | 23 |
| Format for "Enquiring Minds" | 38 |
| Formalwear, informally | 22 |
| Formalwear, for short | 21 |
| Formalwear worn in a '90s workout video? | 44 |
| Formalwear accessory | 20 |
| Formally yield | 14 |
| Formally withdraws | 18 |
| Formally withdraw from membership | 33 |
| Formally withdraw | 17 |
| Formally warned | 15 |
| Formally unsay | 14 |
| Formally turn over | 18 |
| Formally transfer | 17 |
| Formally surrender, as territory | 32 |
| Formally surrender | 18 |
| Formally support, as a candidate | 32 |
| Formally speaks | 15 |
| Formally resigned | 17 |
| Formally request | 16 |
| Formally renounce | 17 |
| Formally relinquish | 19 |
| Formally register an opinion | 28 |
| Formally proper | 15 |
| Formally permitted | 18 |
| Formally opens | 14 |
| Formally name | 13 |
| Formally modified | 17 |
| Formally installs, as into the Hall of Fame | 43 |
| Formally honor | 14 |
| Formally hand over | 18 |
| Formally gives up | 17 |
| Formally give up | 16 |
| Formally exit | 13 |
| Formally end | 12 |
| Formally dressed | 16 |
| Formally disavows | 17 |
| Formally disavow | 16 |
| Formally designates | 19 |
| Formally decree | 15 |
| Formally declare to be a saint | 30 |
| Formally declare | 16 |
| Formally decide | 15 |
| Formally chooses | 16 |
| Formally charged | 16 |
| Formally charge, in court | 25 |
| Formally charge | 15 |
| Formally change | 15 |
| Formally break away | 19 |
| Formally attired | 16 |
| Formally approve | 16 |
| Formally appeals | 16 |
| Formally agree | 14 |
| Formally accuse | 15 |
| Formally accepting | 18 |
| Formally abolish | 16 |
| Formalizes, as a deal | 21 |
| Formalized? | 11 |
| Formalized one's displeasure, perhaps | 41 |
| Formality | 9 |
| Formalities | 11 |
| Formalist in teaching | 21 |
| Formalist | 9 |
| Formal/informal response to "Who's there?" | 56 |
| Formal/informal reply to "Who's there?" | 53 |
| Formal-wear feature | 19 |
| Formal-sounding letter opener | 29 |
| Formal-dinner item | 18 |
| Formal-affair wear | 18 |
| Formal, sartorially | 19 |
| Formal, multiple-copy document | 30 |
| Formal, maybe | 13 |
| Formal, fashionwise | 19 |
| Formal, but not too | 19 |
| Formal, affirmative reply | 25 |
| Formal written defense | 22 |